只许州官放火,不许百姓点灯 zhǐxǔzhōuguānfànghuǒbùxǔbǎixìngdiǎndēng one rule for the rich and another for the poor
Describes a situation where those in power are allowed to do whatever they want, while ordinary people are forbidden from even the most basic activities; often implies double standards or hypocrisy by superiors toward their subordinates.